[PING] Looks like this was forgotten (Re: problems with bzr 0.10 and paramiko sftp transfer)

Alexander Belchenko bialix at ukr.net
Sun Nov 5 13:55:48 GMT 2006

Hash: SHA1

John Arbash Meinel пишет:
> Lukáš Lalinský wrote:
>> Lukáš Lalinský wrote:
>>> Hi,
>>> When I tried to run "bzr push" with bzr 0.10 and paramiko 1.6, I get:
>> [...]
>>> AttributeError: HostKeys instance has no attribute '__setitem__'
>>> I upgraded to 1.6.2, where this method was added (with a comment "don't use this
>>> please."), but appears to be broken:
>> [...]
>>> AttributeError: HostKeys instance has no attribute '_keys'
>>> So my question is, is there a known version of paramiko that works with bzr 0.10?
>> Ok, so it seems like paramiko changed the API, and nobody had chance to test
>> adding a new host key using it :)
>> The second error is obviously a paramiko bug, but still it would be nice to use
>> the new API instead of accessing the dict-like object. There is a simple patch
>> in the attachment to fix this.
>> -Lukáš
> I think the problem is that most of us don't use paramiko as the SSH
> transport (we normally spawn a real 'ssh' process, which handles keys on
> its own).
> My biggest concern is that if paramiko is changing the API, then we have
> to be aware of which version of paramiko we are using, so that we use
> the correct api. (we can't just call BZR_HOSTKEYS.add() if that api
> doesn't exist).
> So I'll try to look into the paramiko history, and see if we can come up
> with a compatible solution.
> My best guess is that we would end up doing:
> add = getattr(BZR_HOSTKEYS, 'add', None)
> if add is not None: # paramiko >= 1.X.X
>   BZR_HOSTKEYS.add(self._host, keytype, server_key)
> else:
>   BZR_HOSTKEYS.set_default(self._host, {})[keytype] = server_key
> Robey-
> As the creator of paramiko, can you save me some time by letting me know
> when the paramiko api changed? (Was it between 1.5.X and 1.6?) And if my
> fix is appropriate?
> John
> =:->

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